D. Frei Amador Arrais, O.C.C. Bula do Papa Gregório XIII (1581) MANUSCRITO.- ARRAIS, D. Frei Amador, O.C.C.- Bull by Pope Gregory XIII, confirming the election of D. Frei Amador Arrais to Bishop of Portalegre.- 16th century (1581) .- 1 f. (parchment); 35x48 cm. D. Frei Amador Arrais (ca. 1530-1600), religious of the Order of Carmelites, born in Beja, a figure of great intellectual scope from the 16th century, a speaker of the highest eloquence, author of the famous Dialogues, published in Coimbra, in 1589, significant milestone in Portuguese Counter-Reformation literature. Frei Amador was a royal preacher, assistant to Cardinal D. Henrique, bishop of Tripoli and Portalegre. Original bull (manuscript on parchment) of Pope Gregory XIII, with the confirmation of the election of D. Frei Amador Arrais to Bishop of Portalegre (leaving the diocese of Tripoli, of which he was titular bishop), a place he occupied between 1581 and 1596, year of his resignation. Document dated from Rome, with Saint Peter, on the third day before the November 1581 kalendas (that is, on the 30th of November 1581), with three signatures (probably from the prefect and / or secretaries of the Congregation of Bishops, or equivalent). On the back, it presents the following summary: Bulla da Promoção de D. Amador Bispo de Trípoli p(ara) Bispo de Portalegre pello Papa Gregorio em o ano de 1581 em o ano decimo do seu Pontificado, remetida a Fellipe 2º em posse deste R[ei]nº. One-hand manuscript, entirely calligraphic in Gothic, with two large vegetal initials (G and A) and four smaller ones, in the first line, which also has 13 large ascending extensions. Slightly delimited document, planned, framed (between two glasses), with the pending seal (s) missing, preserving traces of the silk ties; minor faults in the folds and some stains, without prejudice to the reading.